guiapp_action_panandscanmenu.c

IT projecotr reference design.

/*****************************************************************************
**             TEXAS INSTRUMENTS PROPRIETARY INFORMATION
**
**  (c) Copyright, Texas Instruments Incorporated, 2006.
**      All Rights Reserved.
**
**  Property of Texas Instruments Incorporated. Restricted Rights -
**  Use, duplication, or disclosure is subject to restrictions set
**  forth in TI's program license agreement and associated documentation.
******************************************************************************/

#include "common.h"
#include "guiStyle.h"
#include "guiApp_action.h"
#include "osd.h"
#include "dispfmt.h"
#include "datapath.h"
#include "guiApp.h"

/* Initialize the items */
int08 guiApp_action_PanandScanMenu_OnStart( int16 menuId, GUIMSG *msg )
{
    int16 value, min, max;
    
    guiApp_SetMenuPosition( menuId, GUI_CENTER );
    
    dispfmt_GetPanLimits( &min, &max );
    dispfmt_GetPan( &value );
    guiStyle_item_SetSingleValue( ITEM_PANANDSCANHORIZONTALADJUSTMENTITEM, value, min, max );
    dispfmt_GetScanLimits( &min, &max );
    dispfmt_GetScan( &value );
    guiStyle_item_SetSingleValue( ITEM_PANANDSCANVERTICALADJUSTMENTITEM, value, min, max );
            
           
    return PASS;
}


/* implement item behavior, system interaction */
/* Note!!! The item style of the first item (ITEM_2DFEATUREITEM) in this menu must use guiStyle_item_Generic_GuiMsg */
/* guiStyle_item_Generic_GuiMsg converts LEFT, RIGHT, UP, DOWN into DEC, INC, DEC_Y, and INC_Y */
int08 guiApp_action_PanandScanMenu_GuiMsg( int16 menuId, int16 itemId, GUIMSG *msg )
{    
    int16 value, min, max;

    if( msg == NULL )
        return FAIL;

    /* ignore itemId for this menu.  All messages will be passed in thru ITEM_2DFEATUREITEM */

            switch( msg->type )
            {
                case GUIMSG_DEC:
                    if( dispfmt_GetPanLimits( &min, &max ) == PASS &&
                        dispfmt_GetPan( &value ) == PASS )
                    {
                        if( datapath_UserSetPan( value + 1 ) == PASS )
                        {
                            value++;
                            guiStyle_item_SetSingleValue( ITEM_PANANDSCANHORIZONTALADJUSTMENTITEM, value, min, max );   
                        } 
                    } 
                    break;
                
                case GUIMSG_INC:
                    if( dispfmt_GetPanLimits( &min, &max ) == PASS &&
                        dispfmt_GetPan( &value ) == PASS )
                    {
                        if( datapath_UserSetPan( value - 1 ) == PASS )
                        {
                            value--;
                            guiStyle_item_SetSingleValue( ITEM_PANANDSCANHORIZONTALADJUSTMENTITEM, value, min, max );   
                        } 
                    } 
                    break;
                    
                case GUIMSG_DEC_Y:
                    if( dispfmt_GetScanLimits( &min, &max ) == PASS &&
                        dispfmt_GetScan( &value ) == PASS )
                    {
                        if( datapath_UserSetScan( value - 1 ) == PASS )
                        {
                            value--;
                            guiStyle_item_SetSingleValue( ITEM_PANANDSCANVERTICALADJUSTMENTITEM, value, min, max );   
                        } 
                    } 
                    break;
                    
                case GUIMSG_INC_Y:
                    if( dispfmt_GetScanLimits( &min, &max ) == PASS &&
                        dispfmt_GetScan( &value ) == PASS )
                    {
                        if( datapath_UserSetScan( value + 1 ) == PASS )
                        {
                            value++;
                            guiStyle_item_SetSingleValue( ITEM_PANANDSCANVERTICALADJUSTMENTITEM, value, min, max );   
                        } 
                    } 
                    break;
                
                default:
                    break;        
            }
 
    return PASS;
}

int08 guiApp_action_PanandScanMenu_Redraw( int16 menuId, GUIMSG *msg )
{
    guiApp_SetMenuPosition( menuId, GUI_CENTER );

    return PASS;   
}